Farmers screw for professional installation and with a full 25 my powder coating, the screw is C4 rated and the packages contain 250 pieces of screw. The unique drill tip makes it easy to drill through wood and create holes for easy and smooth installation. The rubber seal is made of EPDM which ensures a completely tight construction. The combination of C4 corrosion protection and a high quality rubber gasket makes the lifespan far superior to most other screws on the market. In addition, it is available in several colors to suit the roofing brands available on the market. Propoint is a professional product manufactured for the Nordic climate and for users who demand perfect results. - CE approved and C4 tested Black RAL 9011 - When attaching roofing sheets, the consumption is 5-7 screws/m².